Mathematics, 05.05.2020 12:56 taehyungg
In a study investigating the effect of car speed on accident severity, 5,000 reports of fatal automobile accidents were examined, and the vehicle speed at impact was recorded for each one. For these 5,000 accidents, the average speed was 43 mph and the standard deviation was 15 mph. A histogram revealed that the vehicle speed at impact distribution was approximately normal.
a. Roughly what proportion of vehicle speeds were between 27 and 57 mph?
b. Roughly what proportion of vehicle speeds exceeded 57 mph?
Answers: 1
Mathematics, 21.06.2019 19:00, callmedarthvadorplz
Which expression is equivalent to 3^3 + 2^2?
Answers: 1
Mathematics, 21.06.2019 19:30, santileiva123199
Factor the following expression. 27y3 – 343 a. (3y + 7)(9y2 + 2ly + 49) b. (3y – 7)(9y2 + 2ly + 49) c. (3y – 7)(932 – 217 + 49) d. (3y + 7)(92 – 2ly + 49)
Answers: 1
Mathematics, 21.06.2019 21:40, EvoBruh3273
Drag the tiles to the correct boxes to complete the pairs. using the properties of integer exponents, match each expression with the correct equivalent expression.
Answers: 1
In a study investigating the effect of car speed on accident severity, 5,000 reports of fatal automo...
Mathematics, 04.04.2020 03:45
Mathematics, 04.04.2020 03:45
Social Studies, 04.04.2020 03:45